Lost Cave Temples
In this second National Geographic Special for public television, filmmaker Liesl Clark documents her husband, seven-time Everest summiter Pete Athans, and big-wall climber Renan Ozturk, who take on the job of climbing into the crumbling caves. They search for the nine legendary cave temples called "Kabumm." Hoping to preserve rare texts, the team is interrupted by a posse of local horsemen who object to the intrusion of a sacred area.G

6:00 pm

Secrets of Shangri-La
In the Kingdom of Mustang, between Nepal and Tibet and long off-limits to outsiders, explorers and scientists climb into human-carved caves thousands of years old. This National Geographic Special made for public television, follows team members up sheer rock cliffs into the caves where they find 14th-century wall paintings, ancient human remains and a centuries-old hidden library of sacred texts.G

7:00 pm

Outdoor Idaho"Eyes of the Forest"
Mountaintop views, Idaho history and the value of human eyes searching the woods below bring the story of the state's forest lookouts into focus. IdahoPTV producer John Crancer traces Idaho's forest lookouts from 1902 to the present while visiting many of the remaining ones from North Idaho into the mountains of the central and southwest parts of the state. The show visits with people collecting, preserving and rebuilding the histories of Idaho lookouts. It also travels to the ends of roads and trails to meet people who are still spending their summers watching for fires in one of the 50 to 60 lookouts still used for fire detection.G

8:00 pm

Doha Debates, The"This House Believes President Assad Must Resign."
The reputation of Syria's President Bashar Al Assad came under sustained attack at the latest Doha Debate, where more than 90 percent of the audience called on him to resign. The session provoked tense and often bitter exchanges between panellists, who argued that Assad should stay and reform, and young, predominantly Arab debaters who repeatedly condemned the killing of more than 3,500 people at demonstrations in Syria and the wide-ranging abuse of human rights. In response to suggestions that the uprising was initiated by foreign powers - a version of events, touted widely by the regime - one female audience member declared: "This is a Syrian revolution and it's insulting to keep insisting that it was inspired outside. D

8:47 pm

My Goal - Gold for My Country"Medal Quest"
MEDAL QUEST kicks off with an introduction to "the best athletes in the world" -- the elite athletes of the Paralympic Games. Competing in sports as different as wheelchair basketball, archery, judo, cycling, and more, these American athletes personify the grit, the strategy, and the skill it takes to go for the gold. Watch the video, hear these athletes' stories, and see them compete around the world, as they prepare for the London Games, starting August 29, 2012. D

Secrets of Shangri-La
In the Kingdom of Mustang, between Nepal and Tibet and long off-limits to outsiders, explorers and scientists climb into human-carved caves thousands of years old. This National Geographic Special made for public television, follows team members up sheer rock cliffs into the caves where they find 14th-century wall paintings, ancient human remains and a centuries-old hidden library of sacred texts.G